CYPRIDGE-MANGOLD UNIT

Oil · District 09 · Lease #10752

Operator: STEPHENS & JOHNSON OPERATING CO.

Fields: K-M-A

Cum Oil

1.0M BBL

Cum Gas

66k MCF

casinghead

Wells

34

Production

1993-01 — 2026-04

Peak Month

2014-06

Production History

Cum Oil: 1,022,127 BBL Cum Gas: 65,570 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,898 BBL/mo

Di (annual)

42.6%

b-factor

1.9

EUR

741,760 BBL

R-squared

0.928

type

hyperbolic

Operator History (from monthly production reports)

1993-09 — 2026-07 STEPHENS & JOHNSON OPERATING CO. 395 mo
1993-01 — 1993-08 S & J OPERATING CO. 8 mo

Wells (34)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3039STEPHENS & JOHNSON OPERATING CO.33,9912013-12-05
3052STEPHENS & JOHNSON OPERATING CO.14,2002013-05-21
3051STEPHENS & JOHNSON OPERATING CO.14,0001993-07-27
3050STEPHENS & JOHNSON OPERATING CO.14,0001992-05-26
3048STEPHENS & JOHNSON OPERATING CO.14,0001990-03-01
3049STEPHENS & JOHNSON OPERATING CO.24,0001990-03-01
3047STEPHENS & JOHNSON OPERATING CO.14,0001990-02-27
209STEPHENS & JOHNSON OPERATING CO.14,0001990-01-12
3046STEPHENS & JOHNSON OPERATING CO.14,0001986-05-30
3045STEPHENS & JOHNSON OPERATING CO.14,1001985-11-22
109STEPHENS & JOHNSON OPERATING CO.13,8501985-06-07
208STEPHENS & JOHNSON OPERATING CO.13,9101985-06-07
3043STEPHENS & JOHNSON OPERATING CO.13,9151985-06-07
3044STEPHENS & JOHNSON OPERATING CO.13,8751985-06-07
1010STEPHENS & JOHNSON OPERATING CO.14,1001985-02-12
3041STEPHENS & JOHNSON OPERATING CO.14,1001985-02-12
3042STEPHENS & JOHNSON OPERATING CO.14,1001985-02-12
3040STEPHENS & JOHNSON OPERATING CO.13,9501984-10-23
108STEPHENS & JOHNSON OPERATING CO.13,9101984-04-30
10342-485-88159STEPHENS & JOHNSON OPERATING CO.------
10442-485-88160STEPHENS & JOHNSON OPERATING CO.------
20142-485-88161STEPHENS & JOHNSON OPERATING CO.------
20342-485-88163STEPHENS & JOHNSON OPERATING CO.------
301142-009-84437STEPHENS & JOHNSON OPERATING CO.------
301242-485-88168STEPHENS & JOHNSON OPERATING CO.------
301342-485-88169STEPHENS & JOHNSON OPERATING CO.------
301542-485-88171STEPHENS & JOHNSON OPERATING CO.------
301642-485-88172STEPHENS & JOHNSON OPERATING CO.------
30242-485-88165STEPHENS & JOHNSON OPERATING CO.------
302042-485-88173STEPHENS & JOHNSON OPERATING CO.------
303042-485-88175STEPHENS & JOHNSON OPERATING CO.------
303442-485-88176STEPHENS & JOHNSON OPERATING CO.------
303842-485-31534STEPHENS & JOHNSON OPERATING CO.------
30442-485-88166STEPHENS & JOHNSON OPERATING CO.------